Home / 14,719.39-22,078.59-6,399.40

Finding the Fourth Proportional to 14,719.39, 22,078.59 and 6,399.40

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Solution

The fourth proportional to 14,719.39, 22,078.59 and 6,399.40 is: 9,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.39 : 22,078.59 = 6,399.40 : x
  2. Step 2: Convert to fraction form
    14,719.39/22,078.59 = 6,399.40/x
  3. Step 3: Cross multiply
    14,719.39x = 22,078.59 × 6,399.40
  4. Step 4: Simplify right side
    14,719.39x = 141,289,728.85
  5. Step 5: Solve for x
    x = 141,289,728.85/14,719.39
  6. Step 6: Final answer
    x = 9,598.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.